Senior Client Services Manager in London

As a Senior Client Services Manager at Epsilon, you will be the driving force behind client success, leading a diverse portfolio of high-profile brands. Reporting to senior leadership and collaborating with 12 cross‑functional teams, you will deliver innovative digital marketing strategies that maximise client revenue and align with omnichannel indicators. You’ll be at the forefront of shaping client strategies, demonstrating Epsilon’s advanced digital marketing and MarTech solutions to create measurable value and develop client retention and growth.

You’ll mentor and coach a team, ensuring they reach their full potential while contributing to client success. The role is highly collaborative, working with various internal and external partners to integrate and deliver objective‑based solutions.

We offer you an opportunity to join a company that is transforming the marketing and advertising technology landscape. Epsilon’s unique combination of data‑driven insights and innovative technology offers a compelling opportunity to work on industry‑leading projects that redefine how brands connect with consumers. You will directly contribute to Epsilon’s growth and evolution, helping shape the future of the industry. This is a hybrid role requiring you to be in our London office 3 days per week.

What You’ll Achieve

You’ll have significant opportunities for career growth, including the potential for upward mobility within Epsilon and Publicis Groupe. In this role you will hone your leadership, digital marketing, and critical thinking skills, making you a key player in driving Epsilon’s success in the EMEA market.

Who You Are

What you’ll bring with you:

• 3-5 years’ experience in digital marketing, MarTech, and project management.
• Strong organisational, time management, and communication skills.
• Analytical thinking with a curiosity about interpreting data to tell compelling stories.
• Ability to manage and develop a high‑performing team, driving both client and employee success.
• Strong commercial foresight with the ability to identify growth opportunities and drive profitability.

Why you might stand out from other talent:

• Passion for big data, technology and solving complex problems.
• A consultative approach to client management, growth and strategy development.
• Experience in leading cross‑functional teams and driving innovative solutions.
• A proactive attitude focused on process improvement and automation.
• A growth mindset, always seeking to learn, adapt, and improve in a fast‑evolving industry.

This role is perfect for someone eager to be part of a dynamic, growing business in digital marketing and technology, with ample opportunities to make a significant impact.

Additional Information

Epsilon is a global data, technology and services company that powers the marketing and advertising ecosystem. For decades, we’ve provided marketers from the world’s leading brands the data, technology and services they need to engage consumers with 1 View, 1 Vision and 1 Voice.

Epsilon’s comprehensive portfolio of capabilities across our suite of digital media, messaging and loyalty solutions bridge the divide between marketing and advertising technology. We process 400+ billion consumer actions each day using advanced AI and hold many patents of proprietary technology, including real‑time modeling languages and consumer privacy advancements. Thanks to the work of every employee, Epsilon has been consistently recognized as industry‑leading by Forrester, Adweek and the MRC.

Epsilon is a global company with more than 9,000 employees around the world. Our pillars aren’t just words. They’re how we show up every day:

• People centricity: We focus on employee well‑being in an environment where colleagues truly care about each other.
• Collaboration: We work together, support one another, and collectively achieve goals.
• Growth: There are endless opportunities for growth through learning, development and career advancement.
• Innovation: We drive progress through cutting‑edge solutions and forward‑thinking approaches.
• Flexibility: We’ve created a balance between work and personal life, and we encourage adaptability to solve problems creatively.

Our values guide us to create value for our clients, our people and consumers:

• Act with integrity
• Work together to win together
• Innovate with purpose
• Respect all voices
• Empower with accountability

These pillars and values are our foundation—shaping our culture, guiding our decisions, and uniting us in common purpose.

Because You Matter: We know that we have some of the brightest and most talented employees in the world, and we believe in rewarding them accordingly. If you work here, expect competitive compensation, a great benefits package and endless opportunities to advance your career. We offer hybrid working opportunities, with our office space located in the Iconic Television Centre, White City. As part of our dedication to enhance our inclusive and diverse workforce, Epsilon is committed to equal access to opportunity for people without regard to race, age, sex, disability, neurodiversity, sexual orientation, gender identity, pregnancy and maternity, marriage and civil partnership or religion or belief. We are committed to providing reasonable adjustments for candidates in our application process.